. >>> uc berkeley scientists say they've found and important clue to fight a chronic illness. researchers say a gene that turns carbs into fat may be responsible for fatty liver disease. they say future -- doctors say a high-carb diet that includes things like breads and pastas can cause liver disease. >>> coffee that would cost you $50 a buck and it comes from beans that pass through an elephant. the growers behind this black ivory coffee in thailand learned that feeding the elephants the beans and having them come out the other end adds a certain magic to the beans. >> there's acid in the stomach and that breaks down the protein and that's one of the things responsible for bitterness. so you have a coffee without the bitterness of regular coffee. >> i love it. it's something different. it's -- there's definitely something wild about it that i can't put a name on. >> very interesting. very novel. the flavor is nice. the coffee founder has spent $300,000 developing that idea. and you know it won't cost peanuts either. i had to say that. >>> 8:52. still ahead. new reports that